⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-157166, with some changes.

Platanthera grandiflora f. mentotonsa (Fernald) P.M.Br. is a synonym of Platanthera grandiflora (Bigelow) Lindl.

The record derives from WCSP which reports it as a synonym (record 157166) with original publication details: Wild Fl. Notes 3: 22 1988.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:283229-2.